Re: proxied requests hang when DNS response has wrong ident

2014-08-18 Thread Jason Woods
On 18 Aug 2014, at 14.22, Valentin V. Bartenev wrote: > On Monday 18 August 2014 13:45:46 Jason Woods wrote: > [..] >> There's the fear there are significant changes from 1.6 to 1.7 that may >> introduce other problems, and would need to go through some extensive >> testing before we can commit.

Re: proxied requests hang when DNS response has wrong ident

2014-08-18 Thread Valentin V. Bartenev
On Monday 18 August 2014 13:45:46 Jason Woods wrote: [..] > There's the fear there are significant changes from 1.6 to 1.7 that may > introduce other problems, and would need to go through some extensive > testing before we can commit. Especially as the 1.6 is labelled "stable" and > the 1.7 "mainl

Re: proxied requests hang when DNS response has wrong ident

2014-08-18 Thread itpp2012
If its only a few lines you may consider adding the patch manually. Posted at Nginx Forum: http://forum.nginx.org/read.php?2,251779,252648#msg-252648 ___ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx

Re: proxied requests hang when DNS response has wrong ident

2014-08-18 Thread B.R.
On Mon, Aug 18, 2014 at 2:45 PM, Jason Woods wrote: > > There's the fear there are significant changes from 1.6 to 1.7 that may > introduce other problems, and would need to go through some extensive > testing before we can commit. Especially as the 1.6 is labelled "stable" > and the 1.7 "mainlin

Re: proxied requests hang when DNS response has wrong ident

2014-08-18 Thread Jason Woods
On 18 Aug 2014, at 12.05, Valentin V. Bartenev wrote: > On Monday 18 August 2014 11:40:07 Jason Woods wrote: > [..] >> >> I'm experiencing a similar issue. >> >> I get a couple of ident mismatch errors in the error log, >> and then gradually over time I begin to see thousands of >> ESTABLISHED

Re: proxied requests hang when DNS response has wrong ident

2014-08-18 Thread Valentin V. Bartenev
On Monday 18 August 2014 11:40:07 Jason Woods wrote: [..] > > I'm experiencing a similar issue. > > I get a couple of ident mismatch errors in the error log, > and then gradually over time I begin to see thousands of > ESTABLISHED connections stuck with no activity. > Eventually worker_connection

Re: proxied requests hang when DNS response has wrong ident

2014-08-18 Thread Jason Woods
Hi, On 16 Jul 2014, at 03.01, Pramod Korathota wrote: > On 15 July 2014 21:41, Ruslan Ermilov wrote: > > > diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c > --- a/src/core/ngx_resolver.c > +++ b/src/core/ngx_resolver.c > > > > Thanks for the quick response and patch, Rusla

Re: proxied requests hang when DNS response has wrong ident

2014-07-15 Thread Pramod Korathota
On 15 July 2014 21:41, Ruslan Ermilov wrote: > diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c > --- a/src/core/ngx_resolver.c > +++ b/src/core/ngx_resolver.c > Thanks for the quick response and patch, Ruslan. I have tested a build incorporating this patch, and it behaves as e

Re: proxied requests hang when DNS response has wrong ident

2014-07-15 Thread Ruslan Ermilov
On Tue, Jul 15, 2014 at 08:04:44PM +1000, Pramod Korathota wrote: > We have recently discovered a very rare occurence when requests through > nginx will hang if the resolver sends a response with a mismatching ident. > We are seeing this in production with 1.7.1 and I have been able to > re-produc

proxied requests hang when DNS response has wrong ident

2014-07-15 Thread Pramod Korathota
We have recently discovered a very rare occurence when requests through nginx will hang if the resolver sends a response with a mismatching ident. We are seeing this in production with 1.7.1 and I have been able to re-produce with 1.7.3. The relevant parts of the config are: resolver 10.65.255.4;